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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 435 by mmeineke, Fri Mar 28 19:33:37 2003 UTC vs.
Revision 859 by mmeineke, Mon Nov 10 21:50:36 2003 UTC

# Line 1 | Line 1
1 < #include <cstdlib>
1 > #include <algorithm>
2 > #include <stdlib.h>
3   #include <iostream>
4 < #include <cmath>
5 <
4 > #include <math.h>
5 > #include <string>
6 > #include <sprng.h>
7   #include "SimSetup.hpp"
8 + #include "ReadWrite.hpp"
9   #include "parse_me.h"
10   #include "Integrator.hpp"
11   #include "simError.h"
# Line 12 | Line 15 | SimSetup::SimSetup(){
15   #include "mpiSimulation.hpp"
16   #endif
17  
18 + // some defines for ensemble and Forcefield  cases
19 +
20 + #define NVE_ENS        0
21 + #define NVT_ENS        1
22 + #define NPTi_ENS       2
23 + #define NPTf_ENS       3
24 + #define NPTxyz_ENS     4
25 +
26 +
27 + #define FF_DUFF 0
28 + #define FF_LJ   1
29 + #define FF_EAM  2
30 +
31 + using namespace std;
32 +
33   SimSetup::SimSetup(){
34 +  
35 +  initSuspend = false;
36 +  isInfoArray = 0;
37 +  nInfo = 1;
38 +
39    stamps = new MakeStamps();
40    globals = new Globals();
41 <  
41 >
42 >
43   #ifdef IS_MPI
44 <  strcpy( checkPointMsg, "SimSetup creation successful" );
44 >  strcpy(checkPointMsg, "SimSetup creation successful");
45    MPIcheckPoint();
46   #endif // IS_MPI
47   }
# Line 27 | Line 51 | void SimSetup::parseFile( char* fileName ){
51    delete globals;
52   }
53  
54 < void SimSetup::parseFile( char* fileName ){
54 > void SimSetup::setSimInfo(SimInfo* the_info, int theNinfo){
55 >  info = the_info;
56 >  nInfo = theNinfo;
57 >  isInfoArray = 1;
58 >  initSuspend = true;
59 > }
60  
61 +
62 + void SimSetup::parseFile(char* fileName){
63   #ifdef IS_MPI
64 <  if( worldRank == 0 ){
64 >  if (worldRank == 0){
65   #endif // is_mpi
66 <    
66 >
67      inFileName = fileName;
68 <    set_interface_stamps( stamps, globals );
69 <    
68 >    set_interface_stamps(stamps, globals);
69 >
70   #ifdef IS_MPI
71      mpiEventInit();
72   #endif
73  
74 <    yacc_BASS( fileName );
74 >    yacc_BASS(fileName);
75  
76   #ifdef IS_MPI
77      throwMPIEvent(NULL);
78    }
79 <  else receiveParse();
79 >  else{
80 >    receiveParse();
81 >  }
82   #endif
83  
84   }
85  
86   #ifdef IS_MPI
87   void SimSetup::receiveParse(void){
88 <
89 <    set_interface_stamps( stamps, globals );
90 <    mpiEventInit();
91 <    MPIcheckPoint();
59 <    mpiEventLoop();
60 <
88 >  set_interface_stamps(stamps, globals);
89 >  mpiEventInit();
90 >  MPIcheckPoint();
91 >  mpiEventLoop();
92   }
93  
94   #endif // is_mpi
95  
96 < void SimSetup::createSim( void ){
96 > void SimSetup::createSim(void){
97  
98 <  MakeStamps *the_stamps;
68 <  Globals* the_globals;
69 <  int i, j;
98 >  // gather all of the information from the Bass file
99  
100 <  // get the stamps and globals;
72 <  the_stamps = stamps;
73 <  the_globals = globals;
100 >  gatherInfo();
101  
102 <  // set the easy ones first
76 <  simnfo->target_temp = the_globals->getTargetTemp();
77 <  simnfo->dt = the_globals->getDt();
78 <  simnfo->run_time = the_globals->getRunTime();
102 >  // creation of complex system objects
103  
104 <  // get the ones we know are there, yet still may need some work.
81 <  n_components = the_globals->getNComponents();
82 <  strcpy( force_field, the_globals->getForceField() );
83 <  strcpy( ensemble, the_globals->getEnsemble() );
84 <  strcpy( simnfo->ensemble, ensemble );
104 >  sysObjectsCreation();
105  
106 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
87 <  simnfo->usePBC = the_globals->getPBC();
88 <          
106 >  // check on the post processing info
107  
108 +  finalInfoCheck();
109  
110 <  if( !strcmp( force_field, "TraPPE_Ex" ) ) the_ff = new TraPPE_ExFF();
92 <  else if( !strcmp( force_field, "LJ" ) ) the_ff = new LJ_FF();
93 <  else{
94 <    sprintf( painCave.errMsg,
95 <             "SimSetup Error. Unrecognized force field -> %s\n",
96 <             force_field );
97 <    painCave.isFatal = 1;
98 <    simError();
99 <  }
110 >  // initialize the system coordinates
111  
112 < #ifdef IS_MPI
113 <  strcpy( checkPointMsg, "ForceField creation successful" );
103 <  MPIcheckPoint();
104 < #endif // is_mpi
112 >  if ( !initSuspend ){
113 >    initSystemCoords();
114  
115 <  
115 >    if( !(globals->getUseInitTime()) )
116 >      info[0].currentTime = 0.0;
117 >  }  
118  
119 <  // get the components and calculate the tot_nMol and indvidual n_mol
109 <  the_components = the_globals->getComponents();
110 <  components_nmol = new int[n_components];
111 <  comp_stamps = new MoleculeStamp*[n_components];
119 >  // make the output filenames
120  
121 <  if( !the_globals->haveNMol() ){
114 <    // we don't have the total number of molecules, so we assume it is
115 <    // given in each component
121 >  makeOutNames();
122  
123 <    tot_nmol = 0;
118 <    for( i=0; i<n_components; i++ ){
123 >  // make the integrator
124  
125 <      if( !the_components[i]->haveNMol() ){
121 <        // we have a problem
122 <        sprintf( painCave.errMsg,
123 <                 "SimSetup Error. No global NMol or component NMol"
124 <                 " given. Cannot calculate the number of atoms.\n" );
125 <        painCave.isFatal = 1;
126 <        simError();
127 <      }
125 >  makeIntegrator();
126  
129      tot_nmol += the_components[i]->getNMol();
130      components_nmol[i] = the_components[i]->getNMol();
131    }
132  }
133  else{
134    sprintf( painCave.errMsg,
135             "SimSetup error.\n"
136             "\tSorry, the ability to specify total"
137             " nMols and then give molfractions in the components\n"
138             "\tis not currently supported."
139             " Please give nMol in the components.\n" );
140    painCave.isFatal = 1;
141    simError();
142    
143    
144    //     tot_nmol = the_globals->getNMol();
145    
146    //   //we have the total number of molecules, now we check for molfractions
147    //     for( i=0; i<n_components; i++ ){
148    
149    //       if( !the_components[i]->haveMolFraction() ){
150    
151    //  if( !the_components[i]->haveNMol() ){
152    //    //we have a problem
153    //    std::cerr << "SimSetup error. Neither molFraction nor "
154    //              << " nMol was given in component
155    
156  }
157
127   #ifdef IS_MPI
128 <  strcpy( checkPointMsg, "Have the number of components" );
129 <  MPIcheckPoint();
161 < #endif // is_mpi
128 >  mpiSim->mpiRefresh();
129 > #endif
130  
131 <  // make an array of molecule stamps that match the components used.
164 <  // also extract the used stamps out into a separate linked list
131 >  // initialize the Fortran
132  
133 <  simnfo->nComponents = n_components;
134 <  simnfo->componentsNmol = components_nmol;
168 <  simnfo->compStamps = comp_stamps;
169 <  simnfo->headStamp = new LinkedMolStamp();
170 <  
171 <  char* id;
172 <  LinkedMolStamp* headStamp = simnfo->headStamp;
173 <  LinkedMolStamp* currentStamp = NULL;
174 <  for( i=0; i<n_components; i++ ){
133 >  initFortran();
134 > }
135  
176    id = the_components[i]->getType();
177    comp_stamps[i] = NULL;
178    
179    // check to make sure the component isn't already in the list
136  
137 <    comp_stamps[i] = headStamp->match( id );
138 <    if( comp_stamps[i] == NULL ){
139 <      
140 <      // extract the component from the list;
141 <      
142 <      currentStamp = the_stamps->extractMolStamp( id );
143 <      if( currentStamp == NULL ){
144 <        sprintf( painCave.errMsg,
145 <                 "SimSetup error: Component \"%s\" was not found in the "
146 <                 "list of declared molecules\n",
147 <                 id );
192 <        painCave.isFatal = 1;
193 <        simError();
194 <      }
195 <      
196 <      headStamp->add( currentStamp );
197 <      comp_stamps[i] = headStamp->match( id );
198 <    }
199 <  }
137 > void SimSetup::makeMolecules(void){
138 >  int k;
139 >  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
140 >  molInit molInfo;
141 >  DirectionalAtom* dAtom;
142 >  LinkedAssign* extras;
143 >  LinkedAssign* current_extra;
144 >  AtomStamp* currentAtom;
145 >  BondStamp* currentBond;
146 >  BendStamp* currentBend;
147 >  TorsionStamp* currentTorsion;
148  
149 < #ifdef IS_MPI
150 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
151 <  MPIcheckPoint();
204 < #endif // is_mpi
205 <  
149 >  bond_pair* theBonds;
150 >  bend_set* theBends;
151 >  torsion_set* theTorsions;
152  
153  
154 +  //init the forceField paramters
155  
156 <  // caclulate the number of atoms, bonds, bends and torsions
156 >  the_ff->readParams();
157  
211  tot_atoms = 0;
212  tot_bonds = 0;
213  tot_bends = 0;
214  tot_torsions = 0;
215  for( i=0; i<n_components; i++ ){
216    
217    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
218    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
219    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
220    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
221  }
158  
159 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
159 >  // init the atoms
160  
161 <  simnfo->n_atoms = tot_atoms;
226 <  simnfo->n_bonds = tot_bonds;
227 <  simnfo->n_bends = tot_bends;
228 <  simnfo->n_torsions = tot_torsions;
229 <  simnfo->n_SRI = tot_SRI;
230 <  simnfo->n_mol = tot_nmol;
161 >  double ux, uy, uz, u, uSqr;
162  
163 <  
164 < #ifdef IS_MPI
163 >  for (k = 0; k < nInfo; k++){
164 >    the_ff->setSimInfo(&(info[k]));
165  
166 <  // divide the molecules among processors here.
167 <  
168 <  mpiSim = new mpiSimulation( simnfo );
169 <  
239 <  
166 >    atomOffset = 0;
167 >    excludeOffset = 0;
168 >    for (i = 0; i < info[k].n_mol; i++){
169 >      stampID = info[k].molecules[i].getStampID();
170  
171 <  globalIndex = mpiSim->divideLabor();
171 >      molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
172 >      molInfo.nBonds = comp_stamps[stampID]->getNBonds();
173 >      molInfo.nBends = comp_stamps[stampID]->getNBends();
174 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
175 >      molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
176  
177 <  // set up the local variables
178 <  
179 <  int localMol, allMol;
180 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
177 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
178 >      molInfo.myExcludes = &(info[k].excludes[excludeOffset]);
179 >      molInfo.myBonds = new Bond * [molInfo.nBonds];
180 >      molInfo.myBends = new Bend * [molInfo.nBends];
181 >      molInfo.myTorsions = new Torsion * [molInfo.nTorsions];
182  
183 <  int* mol2proc = mpiSim->getMolToProcMap();
184 <  int* molCompType = mpiSim->getMolComponentType();
185 <  
251 <  allMol = 0;
252 <  localMol = 0;
253 <  local_atoms = 0;
254 <  local_bonds = 0;
255 <  local_bends = 0;
256 <  local_torsions = 0;
257 <  for( i=0; i<n_components; i++ ){
183 >      theBonds = new bond_pair[molInfo.nBonds];
184 >      theBends = new bend_set[molInfo.nBends];
185 >      theTorsions = new torsion_set[molInfo.nTorsions];
186  
187 <    for( j=0; j<components_nmol[i]; j++ ){
260 <      
261 <      if( mol2proc[j] == worldRank ){
262 <        
263 <        local_atoms +=    comp_stamps[i]->getNAtoms();
264 <        local_bonds +=    comp_stamps[i]->getNBonds();
265 <        local_bends +=    comp_stamps[i]->getNBends();
266 <        local_torsions += comp_stamps[i]->getNTorsions();
267 <        localMol++;
268 <      }      
269 <      allMol++;
270 <    }
271 <  }
272 <  local_SRI = local_bonds + local_bends + local_torsions;
273 <  
187 >      // make the Atoms
188  
189 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
190 <  
191 <  if( local_atoms != simnfo->n_atoms ){
192 <    sprintf( painCave.errMsg,
193 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
194 <             " localAtom (%d) are not equal.\n",
195 <             simnfo->n_atoms,
282 <             local_atoms );
283 <    painCave.isFatal = 1;
284 <    simError();
285 <  }
189 >      for (j = 0; j < molInfo.nAtoms; j++){
190 >        currentAtom = comp_stamps[stampID]->getAtom(j);
191 >        if (currentAtom->haveOrientation()){
192 >          dAtom = new DirectionalAtom((j + atomOffset),
193 >                                      info[k].getConfiguration());
194 >          info[k].n_oriented++;
195 >          molInfo.myAtoms[j] = dAtom;
196  
197 <  simnfo->n_bonds = local_bonds;
198 <  simnfo->n_bends = local_bends;
199 <  simnfo->n_torsions = local_torsions;
290 <  simnfo->n_SRI = local_SRI;
291 <  simnfo->n_mol = localMol;
197 >          ux = currentAtom->getOrntX();
198 >          uy = currentAtom->getOrntY();
199 >          uz = currentAtom->getOrntZ();
200  
201 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
294 <  MPIcheckPoint();
295 <  
296 <  
297 < #endif // is_mpi
298 <  
201 >          uSqr = (ux * ux) + (uy * uy) + (uz * uz);
202  
203 <  // create the atom and short range interaction arrays
203 >          u = sqrt(uSqr);
204 >          ux = ux / u;
205 >          uy = uy / u;
206 >          uz = uz / u;
207  
208 <  Atom::createArrays(simnfo->n_atoms);
209 <  the_atoms = new Atom*[simnfo->n_atoms];
210 <  the_molecules = new Molecule[simnfo->n_mol];
211 <  int molIndex;
208 >          dAtom->setSUx(ux);
209 >          dAtom->setSUy(uy);
210 >          dAtom->setSUz(uz);
211 >        }
212 >        else{
213 >          molInfo.myAtoms[j] = new GeneralAtom((j + atomOffset),
214 >                                               info[k].getConfiguration());
215 >        }
216 >        molInfo.myAtoms[j]->setType(currentAtom->getType());
217  
307  // initialize the molecule's stampID's
308
218   #ifdef IS_MPI
310  
219  
220 <  molIndex = 0;
313 <  for(i=0; i<mpiSim->getTotNmol(); i++){
314 <    
315 <    if(mol2proc[i] == worldRank ){
316 <      the_molecules[molIndex].setStampID( molCompType[i] );
317 <      molIndex++;
318 <    }
319 <  }
220 >        molInfo.myAtoms[j]->setGlobalIndex(globalIndex[j + atomOffset]);
221  
321 #else // is_mpi
322  
323  molIndex = 0;
324  for(i=0; i<n_components; i++){
325    for(j=0; j<components_nmol[i]; j++ ){
326      the_molecules[molIndex].setStampID( i );
327      molIndex++;
328    }
329  }
330    
331
222   #endif // is_mpi
223 +      }
224  
225 +      // make the bonds
226 +      for (j = 0; j < molInfo.nBonds; j++){
227 +        currentBond = comp_stamps[stampID]->getBond(j);
228 +        theBonds[j].a = currentBond->getA() + atomOffset;
229 +        theBonds[j].b = currentBond->getB() + atomOffset;
230  
231 <  if( simnfo->n_SRI ){
232 <    
337 <    std::cerr << "n_SRI = " << simnfo->n_SRI << "\n";
338 <    
339 <    Exclude::createArray(simnfo->n_SRI);
340 <    the_excludes = new Exclude*[simnfo->n_SRI];
341 <    for( int ex=0; ex<simnfo->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
342 <    simnfo->globalExcludes = new int;
343 <    simnfo->n_exclude = tot_SRI;
344 <  }
345 <  else{
346 <    
347 <    Exclude::createArray( 1 );
348 <    the_excludes = new Exclude*;
349 <    the_excludes[0] = new Exclude(0);
350 <    the_excludes[0]->setPair( 0,0 );
351 <    simnfo->globalExcludes = new int;
352 <    simnfo->globalExcludes[0] = 0;
353 <    simnfo->n_exclude = 0;
354 <  }
231 >        exI = theBonds[j].a;
232 >        exJ = theBonds[j].b;
233  
234 <  // set the arrays into the SimInfo object
234 >        // exclude_I must always be the smaller of the pair
235 >        if (exI > exJ){
236 >          tempEx = exI;
237 >          exI = exJ;
238 >          exJ = tempEx;
239 >        }
240 > #ifdef IS_MPI
241 >        tempEx = exI;
242 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
243 >        tempEx = exJ;
244 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
245  
246 <  simnfo->atoms = the_atoms;
247 <  simnfo->molecules = the_molecules;
360 <  simnfo->nGlobalExcludes = 0;
361 <  simnfo->excludes = the_excludes;
246 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
247 > #else  // isn't MPI
248  
249 +        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
250 + #endif  //is_mpi
251 +      }
252 +      excludeOffset += molInfo.nBonds;
253  
254 <  // get some of the tricky things that may still be in the globals
254 >      //make the bends
255 >      for (j = 0; j < molInfo.nBends; j++){
256 >        currentBend = comp_stamps[stampID]->getBend(j);
257 >        theBends[j].a = currentBend->getA() + atomOffset;
258 >        theBends[j].b = currentBend->getB() + atomOffset;
259 >        theBends[j].c = currentBend->getC() + atomOffset;
260  
261 <  
262 <  if( the_globals->haveBox() ){
263 <    simnfo->box_x = the_globals->getBox();
369 <    simnfo->box_y = the_globals->getBox();
370 <    simnfo->box_z = the_globals->getBox();
371 <  }
372 <  else if( the_globals->haveDensity() ){
261 >        if (currentBend->haveExtras()){
262 >          extras = currentBend->getExtras();
263 >          current_extra = extras;
264  
265 <    double vol;
266 <    vol = (double)tot_nmol / the_globals->getDensity();
267 <    simnfo->box_x = pow( vol, ( 1.0 / 3.0 ) );
268 <    simnfo->box_y = simnfo->box_x;
269 <    simnfo->box_z = simnfo->box_x;
270 <  }
271 <  else{
381 <    if( !the_globals->haveBoxX() ){
382 <      sprintf( painCave.errMsg,
383 <               "SimSetup error, no periodic BoxX size given.\n" );
384 <      painCave.isFatal = 1;
385 <      simError();
386 <    }
387 <    simnfo->box_x = the_globals->getBoxX();
265 >          while (current_extra != NULL){
266 >            if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
267 >              switch (current_extra->getType()){
268 >                case 0:
269 >                  theBends[j].ghost = current_extra->getInt() + atomOffset;
270 >                  theBends[j].isGhost = 1;
271 >                  break;
272  
273 <    if( !the_globals->haveBoxY() ){
274 <      sprintf( painCave.errMsg,
275 <               "SimSetup error, no periodic BoxY size given.\n" );
276 <      painCave.isFatal = 1;
277 <      simError();
394 <    }
395 <    simnfo->box_y = the_globals->getBoxY();
273 >                case 1:
274 >                  theBends[j].ghost = (int) current_extra->getDouble() +
275 >                                      atomOffset;
276 >                  theBends[j].isGhost = 1;
277 >                  break;
278  
279 <    if( !the_globals->haveBoxZ() ){
280 <      sprintf( painCave.errMsg,
281 <               "SimSetup error, no periodic BoxZ size given.\n" );
282 <      painCave.isFatal = 1;
283 <      simError();
284 <    }
285 <    simnfo->box_z = the_globals->getBoxZ();
286 <  }
279 >                default:
280 >                  sprintf(painCave.errMsg,
281 >                          "SimSetup Error: ghostVectorSource was neither a "
282 >                          "double nor an int.\n"
283 >                          "-->Bend[%d] in %s\n",
284 >                          j, comp_stamps[stampID]->getID());
285 >                  painCave.isFatal = 1;
286 >                  simError();
287 >              }
288 >            }
289 >            else{
290 >              sprintf(painCave.errMsg,
291 >                      "SimSetup Error: unhandled bend assignment:\n"
292 >                      "    -->%s in Bend[%d] in %s\n",
293 >                      current_extra->getlhs(), j, comp_stamps[stampID]->getID());
294 >              painCave.isFatal = 1;
295 >              simError();
296 >            }
297  
298 +            current_extra = current_extra->getNext();
299 +          }
300 +        }
301 +
302 +        if (!theBends[j].isGhost){
303 +          exI = theBends[j].a;
304 +          exJ = theBends[j].c;
305 +        }
306 +        else{
307 +          exI = theBends[j].a;
308 +          exJ = theBends[j].b;
309 +        }
310 +
311 +        // exclude_I must always be the smaller of the pair
312 +        if (exI > exJ){
313 +          tempEx = exI;
314 +          exI = exJ;
315 +          exJ = tempEx;
316 +        }
317   #ifdef IS_MPI
318 <  strcpy( checkPointMsg, "Box size set up" );
319 <  MPIcheckPoint();
320 < #endif // is_mpi
318 >        tempEx = exI;
319 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
320 >        tempEx = exJ;
321 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
322  
323 +        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
324 + #else  // isn't MPI
325 +        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
326 + #endif  //is_mpi
327 +      }
328 +      excludeOffset += molInfo.nBends;
329  
330 <  // initialize the arrays
330 >      for (j = 0; j < molInfo.nTorsions; j++){
331 >        currentTorsion = comp_stamps[stampID]->getTorsion(j);
332 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
333 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
334 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
335 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
336  
337 <  the_ff->setSimInfo( simnfo );
337 >        exI = theTorsions[j].a;
338 >        exJ = theTorsions[j].d;
339  
340 <  makeMolecules();
341 <  simnfo->identArray = new int[simnfo->n_atoms];
342 <  for(i=0; i<simnfo->n_atoms; i++){
343 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
344 <  }
345 <  
346 <  if (the_globals->getUseRF() ) {
347 <    simnfo->useReactionField = 1;
348 <  
349 <    if( !the_globals->haveECR() ){
350 <      sprintf( painCave.errMsg,
427 <               "SimSetup Warning: using default value of 1/2 the smallest "
428 <               "box length for the electrostaticCutoffRadius.\n"
429 <               "I hope you have a very fast processor!\n");
430 <      painCave.isFatal = 0;
431 <      simError();
432 <      double smallest;
433 <      smallest = simnfo->box_x;
434 <      if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
435 <      if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
436 <      simnfo->ecr = 0.5 * smallest;
437 <    } else {
438 <      simnfo->ecr        = the_globals->getECR();
439 <    }
340 >        // exclude_I must always be the smaller of the pair
341 >        if (exI > exJ){
342 >          tempEx = exI;
343 >          exI = exJ;
344 >          exJ = tempEx;
345 >        }
346 > #ifdef IS_MPI
347 >        tempEx = exI;
348 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
349 >        tempEx = exJ;
350 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
351  
352 <    if( !the_globals->haveEST() ){
353 <      sprintf( painCave.errMsg,
354 <               "SimSetup Warning: using default value of 0.05 * the "
355 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
445 <               );
446 <      painCave.isFatal = 0;
447 <      simError();
448 <      simnfo->est = 0.05 * simnfo->ecr;
449 <    } else {
450 <      simnfo->est        = the_globals->getEST();
451 <    }
452 <    
453 <    if(!the_globals->haveDielectric() ){
454 <      sprintf( painCave.errMsg,
455 <               "SimSetup Error: You are trying to use Reaction Field without"
456 <               "setting a dielectric constant!\n"
457 <               );
458 <      painCave.isFatal = 1;
459 <      simError();
460 <    }
461 <    simnfo->dielectric = the_globals->getDielectric();  
462 <  } else {
463 <    if (simnfo->n_dipoles) {
464 <      
465 <      if( !the_globals->haveECR() ){
466 <        sprintf( painCave.errMsg,
467 <                 "SimSetup Warning: using default value of 1/2 the smallest"
468 <                 "box length for the electrostaticCutoffRadius.\n"
469 <                 "I hope you have a very fast processor!\n");
470 <        painCave.isFatal = 0;
471 <        simError();
472 <        double smallest;
473 <        smallest = simnfo->box_x;
474 <        if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
475 <        if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
476 <        simnfo->ecr = 0.5 * smallest;
477 <      } else {
478 <        simnfo->ecr        = the_globals->getECR();
352 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
353 > #else  // isn't MPI
354 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
355 > #endif  //is_mpi
356        }
357 <      
358 <      if( !the_globals->haveEST() ){
359 <        sprintf( painCave.errMsg,
360 <                 "SimSetup Warning: using default value of 5% of the"
361 <                 "electrostaticCutoffRadius for the "
362 <                 "electrostaticSkinThickness\n"
363 <                 );
364 <        painCave.isFatal = 0;
365 <        simError();
366 <        simnfo->est = 0.05 * simnfo->ecr;
367 <      } else {
368 <        simnfo->est        = the_globals->getEST();
369 <      }
357 >      excludeOffset += molInfo.nTorsions;
358 >
359 >
360 >      // send the arrays off to the forceField for init.
361 >
362 >      the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
363 >      the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
364 >      the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
365 >      the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
366 >                                 theTorsions);
367 >
368 >
369 >      info[k].molecules[i].initialize(molInfo);
370 >
371 >
372 >      atomOffset += molInfo.nAtoms;
373 >      delete[] theBonds;
374 >      delete[] theBends;
375 >      delete[] theTorsions;
376      }
377 <  }  
377 >  }
378  
379   #ifdef IS_MPI
380 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
380 >  sprintf(checkPointMsg, "all molecules initialized succesfully");
381    MPIcheckPoint();
382   #endif // is_mpi
383  
384 < if( the_globals->haveInitialConfig() ){
502 <
503 <     InitializeFromFile* fileInit;
504 < #ifdef IS_MPI // is_mpi
505 <     if( worldRank == 0 ){
506 < #endif //is_mpi
507 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
508 < #ifdef IS_MPI
509 <     }else fileInit = new InitializeFromFile( NULL );
510 < #endif
511 <   fileInit->read_xyz( simnfo ); // default velocities on
384 >  // clean up the forcefield
385  
386 <   delete fileInit;
387 < }
388 < else{
386 >  the_ff->calcRcut();
387 >  the_ff->cleanMe();
388 > }
389  
390 < #ifdef IS_MPI
390 > void SimSetup::initFromBass(void){
391 >  int i, j, k;
392 >  int n_cells;
393 >  double cellx, celly, cellz;
394 >  double temp1, temp2, temp3;
395 >  int n_per_extra;
396 >  int n_extra;
397 >  int have_extra, done;
398  
399 <  // no init from bass
400 <  
401 <  sprintf( painCave.errMsg,
402 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
523 <  painCave.isFatal;
524 <  simError();
525 <  
526 < #else
399 >  double vel[3];
400 >  vel[0] = 0.0;
401 >  vel[1] = 0.0;
402 >  vel[2] = 0.0;
403  
404 <  initFromBass();
404 >  temp1 = (double) tot_nmol / 4.0;
405 >  temp2 = pow(temp1, (1.0 / 3.0));
406 >  temp3 = ceil(temp2);
407  
408 +  have_extra = 0;
409 +  if (temp2 < temp3){
410 +    // we have a non-complete lattice
411 +    have_extra = 1;
412  
413 < #endif
414 < }
413 >    n_cells = (int) temp3 - 1;
414 >    cellx = info[0].boxL[0] / temp3;
415 >    celly = info[0].boxL[1] / temp3;
416 >    cellz = info[0].boxL[2] / temp3;
417 >    n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
418 >    temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
419 >    n_per_extra = (int) ceil(temp1);
420  
421 < #ifdef IS_MPI
422 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
423 <  MPIcheckPoint();
424 < #endif // is_mpi
421 >    if (n_per_extra > 4){
422 >      sprintf(painCave.errMsg,
423 >              "SimSetup error. There has been an error in constructing"
424 >              " the non-complete lattice.\n");
425 >      painCave.isFatal = 1;
426 >      simError();
427 >    }
428 >  }
429 >  else{
430 >    n_cells = (int) temp3;
431 >    cellx = info[0].boxL[0] / temp3;
432 >    celly = info[0].boxL[1] / temp3;
433 >    cellz = info[0].boxL[2] / temp3;
434 >  }
435  
436 +  current_mol = 0;
437 +  current_comp_mol = 0;
438 +  current_comp = 0;
439 +  current_atom_ndx = 0;
440  
441 <  
442 <
443 <  
441 >  for (i = 0; i < n_cells ; i++){
442 >    for (j = 0; j < n_cells; j++){
443 >      for (k = 0; k < n_cells; k++){
444 >        makeElement(i * cellx, j * celly, k * cellz);
445  
446 <  
447 < #ifdef IS_MPI
448 <  if( worldRank == 0 ){
449 < #endif // is_mpi
450 <    
549 <    if( the_globals->haveFinalConfig() ){
550 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
551 <    }
552 <    else{
553 <      strcpy( simnfo->finalName, inFileName );
554 <      char* endTest;
555 <      int nameLength = strlen( simnfo->finalName );
556 <      endTest = &(simnfo->finalName[nameLength - 5]);
557 <      if( !strcmp( endTest, ".bass" ) ){
558 <        strcpy( endTest, ".eor" );
446 >        makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
447 >
448 >        makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
449 >
450 >        makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
451        }
560      else if( !strcmp( endTest, ".BASS" ) ){
561        strcpy( endTest, ".eor" );
562      }
563      else{
564        endTest = &(simnfo->finalName[nameLength - 4]);
565        if( !strcmp( endTest, ".bss" ) ){
566          strcpy( endTest, ".eor" );
567        }
568        else if( !strcmp( endTest, ".mdl" ) ){
569          strcpy( endTest, ".eor" );
570        }
571        else{
572          strcat( simnfo->finalName, ".eor" );
573        }
574      }
452      }
453 <    
454 <    // make the sample and status out names
455 <    
456 <    strcpy( simnfo->sampleName, inFileName );
457 <    char* endTest;
458 <    int nameLength = strlen( simnfo->sampleName );
459 <    endTest = &(simnfo->sampleName[nameLength - 5]);
460 <    if( !strcmp( endTest, ".bass" ) ){
461 <      strcpy( endTest, ".dump" );
462 <    }
463 <    else if( !strcmp( endTest, ".BASS" ) ){
464 <      strcpy( endTest, ".dump" );
465 <    }
466 <    else{
467 <      endTest = &(simnfo->sampleName[nameLength - 4]);
468 <      if( !strcmp( endTest, ".bss" ) ){
469 <        strcpy( endTest, ".dump" );
470 <      }
471 <      else if( !strcmp( endTest, ".mdl" ) ){
472 <        strcpy( endTest, ".dump" );
473 <      }
474 <      else{
475 <        strcat( simnfo->sampleName, ".dump" );
453 >  }
454 >
455 >  if (have_extra){
456 >    done = 0;
457 >
458 >    int start_ndx;
459 >    for (i = 0; i < (n_cells + 1) && !done; i++){
460 >      for (j = 0; j < (n_cells + 1) && !done; j++){
461 >        if (i < n_cells){
462 >          if (j < n_cells){
463 >            start_ndx = n_cells;
464 >          }
465 >          else
466 >            start_ndx = 0;
467 >        }
468 >        else
469 >          start_ndx = 0;
470 >
471 >        for (k = start_ndx; k < (n_cells + 1) && !done; k++){
472 >          makeElement(i * cellx, j * celly, k * cellz);
473 >          done = (current_mol >= tot_nmol);
474 >
475 >          if (!done && n_per_extra > 1){
476 >            makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
477 >                        k * cellz);
478 >            done = (current_mol >= tot_nmol);
479 >          }
480 >
481 >          if (!done && n_per_extra > 2){
482 >            makeElement(i * cellx, j * celly + 0.5 * celly,
483 >                        k * cellz + 0.5 * cellz);
484 >            done = (current_mol >= tot_nmol);
485 >          }
486 >
487 >          if (!done && n_per_extra > 3){
488 >            makeElement(i * cellx + 0.5 * cellx, j * celly,
489 >                        k * cellz + 0.5 * cellz);
490 >            done = (current_mol >= tot_nmol);
491 >          }
492 >        }
493        }
494      }
601    
602    strcpy( simnfo->statusName, inFileName );
603    nameLength = strlen( simnfo->statusName );
604    endTest = &(simnfo->statusName[nameLength - 5]);
605    if( !strcmp( endTest, ".bass" ) ){
606      strcpy( endTest, ".stat" );
607    }
608    else if( !strcmp( endTest, ".BASS" ) ){
609      strcpy( endTest, ".stat" );
610    }
611    else{
612      endTest = &(simnfo->statusName[nameLength - 4]);
613      if( !strcmp( endTest, ".bss" ) ){
614        strcpy( endTest, ".stat" );
615      }
616      else if( !strcmp( endTest, ".mdl" ) ){
617        strcpy( endTest, ".stat" );
618      }
619      else{
620        strcat( simnfo->statusName, ".stat" );
621      }
622    }
623    
624 #ifdef IS_MPI
495    }
626 #endif // is_mpi
627  
628  // set the status, sample, and themal kick times
629  
630  if( the_globals->haveSampleTime() ){
631    simnfo->sampleTime = the_globals->getSampleTime();
632    simnfo->statusTime = simnfo->sampleTime;
633    simnfo->thermalTime = simnfo->sampleTime;
634  }
635  else{
636    simnfo->sampleTime = the_globals->getRunTime();
637    simnfo->statusTime = simnfo->sampleTime;
638    simnfo->thermalTime = simnfo->sampleTime;
639  }
496  
497 <  if( the_globals->haveStatusTime() ){
498 <    simnfo->statusTime = the_globals->getStatusTime();
497 >  for (i = 0; i < info[0].n_atoms; i++){
498 >    info[0].atoms[i]->setVel(vel);
499    }
500 + }
501  
502 <  if( the_globals->haveThermalTime() ){
503 <    simnfo->thermalTime = the_globals->getThermalTime();
504 <  }
502 > void SimSetup::makeElement(double x, double y, double z){
503 >  int k;
504 >  AtomStamp* current_atom;
505 >  DirectionalAtom* dAtom;
506 >  double rotMat[3][3];
507 >  double pos[3];
508  
509 <  // check for the temperature set flag
509 >  for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
510 >    current_atom = comp_stamps[current_comp]->getAtom(k);
511 >    if (!current_atom->havePosition()){
512 >      sprintf(painCave.errMsg,
513 >              "SimSetup:initFromBass error.\n"
514 >              "\tComponent %s, atom %s does not have a position specified.\n"
515 >              "\tThe initialization routine is unable to give a start"
516 >              " position.\n",
517 >              comp_stamps[current_comp]->getID(), current_atom->getType());
518 >      painCave.isFatal = 1;
519 >      simError();
520 >    }
521  
522 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
522 >    pos[0] = x + current_atom->getPosX();
523 >    pos[1] = y + current_atom->getPosY();
524 >    pos[2] = z + current_atom->getPosZ();
525  
526 +    info[0].atoms[current_atom_ndx]->setPos(pos);
527  
528 < //   // make the longe range forces and the integrator
528 >    if (info[0].atoms[current_atom_ndx]->isDirectional()){
529 >      dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
530  
531 < //   new AllLong( simnfo );
531 >      rotMat[0][0] = 1.0;
532 >      rotMat[0][1] = 0.0;
533 >      rotMat[0][2] = 0.0;
534  
535 <  if( !strcmp( force_field, "TraPPE_Ex" ) ) new Symplectic( simnfo, the_ff );
536 <  if( !strcmp( force_field, "LJ" ) ) new Verlet( *simnfo, the_ff );
535 >      rotMat[1][0] = 0.0;
536 >      rotMat[1][1] = 1.0;
537 >      rotMat[1][2] = 0.0;
538  
539 < #ifdef IS_MPI
540 <  mpiSim->mpiRefresh();
541 < #endif
539 >      rotMat[2][0] = 0.0;
540 >      rotMat[2][1] = 0.0;
541 >      rotMat[2][2] = 1.0;
542  
543 <  // initialize the Fortran
543 >      dAtom->setA(rotMat);
544 >    }
545  
546 <
668 <  simnfo->refreshSim();
669 <  
670 <  if( !strcmp( simnfo->mixingRule, "standard") ){
671 <    the_ff->initForceField( LB_MIXING_RULE );
546 >    current_atom_ndx++;
547    }
673  else if( !strcmp( simnfo->mixingRule, "explicit") ){
674    the_ff->initForceField( EXPLICIT_MIXING_RULE );
675  }
676  else{
677    sprintf( painCave.errMsg,
678             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
679             simnfo->mixingRule );
680    painCave.isFatal = 1;
681    simError();
682  }
548  
549 +  current_mol++;
550 +  current_comp_mol++;
551  
552 < #ifdef IS_MPI
553 <  strcpy( checkPointMsg,
554 <          "Successfully intialized the mixingRule for Fortran." );
555 <  MPIcheckPoint();
689 < #endif // is_mpi
552 >  if (current_comp_mol >= components_nmol[current_comp]){
553 >    current_comp_mol = 0;
554 >    current_comp++;
555 >  }
556   }
557  
558  
559 < void SimSetup::makeMolecules( void ){
559 > void SimSetup::gatherInfo(void){
560 >  int i;
561  
562 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
563 <  molInit info;
697 <  DirectionalAtom* dAtom;
698 <  LinkedAssign* extras;
699 <  LinkedAssign* current_extra;
700 <  AtomStamp* currentAtom;
701 <  BondStamp* currentBond;
702 <  BendStamp* currentBend;
703 <  TorsionStamp* currentTorsion;
562 >  ensembleCase = -1;
563 >  ffCase = -1;
564  
565 <  bond_pair* theBonds;
706 <  bend_set* theBends;
707 <  torsion_set* theTorsions;
565 >  // set the easy ones first
566  
567 <  
568 <  //init the forceField paramters
567 >  for (i = 0; i < nInfo; i++){
568 >    info[i].target_temp = globals->getTargetTemp();
569 >    info[i].dt = globals->getDt();
570 >    info[i].run_time = globals->getRunTime();
571 >  }
572 >  n_components = globals->getNComponents();
573  
712  the_ff->readParams();
574  
575 <  
715 <  // init the atoms
575 >  // get the forceField
576  
577 <  double ux, uy, uz, u, uSqr;
718 <  
719 <  atomOffset = 0;
720 <  excludeOffset = 0;
721 <  for(i=0; i<simnfo->n_mol; i++){
722 <    
723 <    stampID = the_molecules[i].getStampID();
577 >  strcpy(force_field, globals->getForceField());
578  
579 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
580 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
581 <    info.nBends    = comp_stamps[stampID]->getNBends();
582 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
583 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
579 >  if (!strcasecmp(force_field, "DUFF")){
580 >    ffCase = FF_DUFF;
581 >  }
582 >  else if (!strcasecmp(force_field, "LJ")){
583 >    ffCase = FF_LJ;
584 >  }
585 >  else if (!strcasecmp(force_field, "EAM")){
586 >    ffCase = FF_EAM;
587 >  }
588 >  else{
589 >    sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
590 >            force_field);
591 >         painCave.isFatal = 1;
592 >         simError();
593 >  }
594  
595 <    info.myAtoms = &the_atoms[atomOffset];
732 <    info.myExcludes = &the_excludes[excludeOffset];
733 <    info.myBonds = new Bond*[info.nBonds];
734 <    info.myBends = new Bend*[info.nBends];
735 <    info.myTorsions = new Torsion*[info.nTorsions];
595 >    // get the ensemble
596  
597 <    theBonds = new bond_pair[info.nBonds];
738 <    theBends = new bend_set[info.nBends];
739 <    theTorsions = new torsion_set[info.nTorsions];
740 <    
741 <    // make the Atoms
742 <    
743 <    for(j=0; j<info.nAtoms; j++){
744 <      
745 <      currentAtom = comp_stamps[stampID]->getAtom( j );
746 <      if( currentAtom->haveOrientation() ){
747 <        
748 <        dAtom = new DirectionalAtom(j + atomOffset);
749 <        simnfo->n_oriented++;
750 <        info.myAtoms[j] = dAtom;
751 <        
752 <        ux = currentAtom->getOrntX();
753 <        uy = currentAtom->getOrntY();
754 <        uz = currentAtom->getOrntZ();
755 <        
756 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
757 <        
758 <        u = sqrt( uSqr );
759 <        ux = ux / u;
760 <        uy = uy / u;
761 <        uz = uz / u;
762 <        
763 <        dAtom->setSUx( ux );
764 <        dAtom->setSUy( uy );
765 <        dAtom->setSUz( uz );
766 <      }
767 <      else{
768 <        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
769 <      }
770 <      info.myAtoms[j]->setType( currentAtom->getType() );
771 <    
772 < #ifdef IS_MPI
773 <      
774 <      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
775 <      
776 < #endif // is_mpi
777 <    }
778 <    
779 <    // make the bonds
780 <    for(j=0; j<info.nBonds; j++){
781 <      
782 <      currentBond = comp_stamps[stampID]->getBond( j );
783 <      theBonds[j].a = currentBond->getA() + atomOffset;
784 <      theBonds[j].b = currentBond->getB() + atomOffset;
597 >  strcpy(ensemble, globals->getEnsemble());
598  
599 <      exI = theBonds[j].a;
600 <      exJ = theBonds[j].b;
599 >  if (!strcasecmp(ensemble, "NVE")){
600 >    ensembleCase = NVE_ENS;
601 >  }
602 >  else if (!strcasecmp(ensemble, "NVT")){
603 >    ensembleCase = NVT_ENS;
604 >  }
605 >  else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
606 >    ensembleCase = NPTi_ENS;
607 >  }
608 >  else if (!strcasecmp(ensemble, "NPTf")){
609 >    ensembleCase = NPTf_ENS;
610 >  }
611 >  else if (!strcasecmp(ensemble, "NPTxyz")){
612 >    ensembleCase = NPTxyz_ENS;
613 >  }
614 >  else{
615 >    sprintf(painCave.errMsg,
616 >            "SimSetup Warning. Unrecognized Ensemble -> %s, "
617 >            "reverting to NVE for this simulation.\n",
618 >            ensemble);
619 >         painCave.isFatal = 0;
620 >         simError();
621 >         strcpy(ensemble, "NVE");
622 >         ensembleCase = NVE_ENS;
623 >  }  
624  
625 <      // exclude_I must always be the smaller of the pair
626 <      if( exI > exJ ){
791 <        tempEx = exI;
792 <        exI = exJ;
793 <        exJ = tempEx;
794 <      }
795 < #ifdef IS_MPI
796 <      tempEx = exI;
797 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
798 <      tempEx = exJ;
799 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
800 <      
801 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
802 < #else  // isn't MPI
625 >  for (i = 0; i < nInfo; i++){
626 >    strcpy(info[i].ensemble, ensemble);
627  
628 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
805 < #endif  //is_mpi
806 <    }
807 <    excludeOffset += info.nBonds;
628 >    // get the mixing rule
629  
630 <    //make the bends
631 <    for(j=0; j<info.nBends; j++){
632 <      
812 <      currentBend = comp_stamps[stampID]->getBend( j );
813 <      theBends[j].a = currentBend->getA() + atomOffset;
814 <      theBends[j].b = currentBend->getB() + atomOffset;
815 <      theBends[j].c = currentBend->getC() + atomOffset;
816 <          
817 <      if( currentBend->haveExtras() ){
818 <            
819 <        extras = currentBend->getExtras();
820 <        current_extra = extras;
821 <            
822 <        while( current_extra != NULL ){
823 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
824 <                
825 <            switch( current_extra->getType() ){
826 <              
827 <            case 0:
828 <              theBends[j].ghost =
829 <                current_extra->getInt() + atomOffset;
830 <              theBends[j].isGhost = 1;
831 <              break;
832 <                  
833 <            case 1:
834 <              theBends[j].ghost =
835 <                (int)current_extra->getDouble() + atomOffset;
836 <              theBends[j].isGhost = 1;
837 <              break;
838 <              
839 <            default:
840 <              sprintf( painCave.errMsg,
841 <                       "SimSetup Error: ghostVectorSource was neither a "
842 <                       "double nor an int.\n"
843 <                       "-->Bend[%d] in %s\n",
844 <                       j, comp_stamps[stampID]->getID() );
845 <              painCave.isFatal = 1;
846 <              simError();
847 <            }
848 <          }
849 <          
850 <          else{
851 <            
852 <            sprintf( painCave.errMsg,
853 <                     "SimSetup Error: unhandled bend assignment:\n"
854 <                     "    -->%s in Bend[%d] in %s\n",
855 <                     current_extra->getlhs(),
856 <                     j, comp_stamps[stampID]->getID() );
857 <            painCave.isFatal = 1;
858 <            simError();
859 <          }
860 <          
861 <          current_extra = current_extra->getNext();
862 <        }
863 <      }
864 <          
865 <      if( !theBends[j].isGhost ){
866 <            
867 <        exI = theBends[j].a;
868 <        exJ = theBends[j].c;
869 <      }
870 <      else{
871 <        
872 <        exI = theBends[j].a;
873 <        exJ = theBends[j].b;
874 <      }
875 <      
876 <      // exclude_I must always be the smaller of the pair
877 <      if( exI > exJ ){
878 <        tempEx = exI;
879 <        exI = exJ;
880 <        exJ = tempEx;
881 <      }
882 < #ifdef IS_MPI
883 <      tempEx = exI;
884 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
885 <      tempEx = exJ;
886 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
887 <      
888 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
889 < #else  // isn't MPI
890 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
891 < #endif  //is_mpi
892 <    }
893 <    excludeOffset += info.nBends;
630 >    strcpy(info[i].mixingRule, globals->getMixingRule());
631 >    info[i].usePBC = globals->getPBC();
632 >  }
633  
634 <    for(j=0; j<info.nTorsions; j++){
896 <      
897 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
898 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
899 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
900 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
901 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
902 <      
903 <      exI = theTorsions[j].a;
904 <      exJ = theTorsions[j].d;
634 >  // get the components and calculate the tot_nMol and indvidual n_mol
635  
636 <      // exclude_I must always be the smaller of the pair
637 <      if( exI > exJ ){
908 <        tempEx = exI;
909 <        exI = exJ;
910 <        exJ = tempEx;
911 <      }
912 < #ifdef IS_MPI
913 <      tempEx = exI;
914 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
915 <      tempEx = exJ;
916 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
917 <      
918 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
919 < #else  // isn't MPI
920 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
921 < #endif  //is_mpi
922 <    }
923 <    excludeOffset += info.nTorsions;
636 >  the_components = globals->getComponents();
637 >  components_nmol = new int[n_components];
638  
925    
926    // send the arrays off to the forceField for init.
639  
640 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
641 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
642 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
931 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
640 >  if (!globals->haveNMol()){
641 >    // we don't have the total number of molecules, so we assume it is
642 >    // given in each component
643  
644 +    tot_nmol = 0;
645 +    for (i = 0; i < n_components; i++){
646 +      if (!the_components[i]->haveNMol()){
647 +        // we have a problem
648 +        sprintf(painCave.errMsg,
649 +                "SimSetup Error. No global NMol or component NMol"
650 +                " given. Cannot calculate the number of atoms.\n");
651 +        painCave.isFatal = 1;
652 +        simError();
653 +      }
654  
655 <    the_molecules[i].initialize( info );
656 <    atomOffset += info.nAtoms;
657 <    delete[] theBonds;
937 <    delete[] theBends;
938 <    delete[] theTorsions;
655 >      tot_nmol += the_components[i]->getNMol();
656 >      components_nmol[i] = the_components[i]->getNMol();
657 >    }
658    }
659 +  else{
660 +    sprintf(painCave.errMsg,
661 +            "SimSetup error.\n"
662 +            "\tSorry, the ability to specify total"
663 +            " nMols and then give molfractions in the components\n"
664 +            "\tis not currently supported."
665 +            " Please give nMol in the components.\n");
666 +    painCave.isFatal = 1;
667 +    simError();
668 +  }
669  
670 < #ifdef IS_MPI
942 <  sprintf( checkPointMsg, "all molecules initialized succesfully" );
943 <  MPIcheckPoint();
944 < #endif // is_mpi
670 >  // set the status, sample, and thermal kick times
671  
672 <  // clean up the forcefield
673 <  the_ff->calcRcut();
674 <  the_ff->cleanMe();
672 >  for (i = 0; i < nInfo; i++){
673 >    if (globals->haveSampleTime()){
674 >      info[i].sampleTime = globals->getSampleTime();
675 >      info[i].statusTime = info[i].sampleTime;
676 >      info[i].thermalTime = info[i].sampleTime;
677 >    }
678 >    else{
679 >      info[i].sampleTime = globals->getRunTime();
680 >      info[i].statusTime = info[i].sampleTime;
681 >      info[i].thermalTime = info[i].sampleTime;
682 >    }
683  
684 < }
684 >    if (globals->haveStatusTime()){
685 >      info[i].statusTime = globals->getStatusTime();
686 >    }
687  
688 < void SimSetup::initFromBass( void ){
688 >    if (globals->haveThermalTime()){
689 >      info[i].thermalTime = globals->getThermalTime();
690 >    }
691  
692 <  int i, j, k;
693 <  int n_cells;
694 <  double cellx, celly, cellz;
695 <  double temp1, temp2, temp3;
696 <  int n_per_extra;
959 <  int n_extra;
960 <  int have_extra, done;
692 >    info[i].resetIntegrator = 0;
693 >    if( globals->haveResetTime() ){
694 >      info[i].resetTime = globals->getResetTime();
695 >      info[i].resetIntegrator = 1;
696 >    }
697  
698 <  temp1 = (double)tot_nmol / 4.0;
699 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
700 <  temp3 = ceil( temp2 );
698 >    // check for the temperature set flag
699 >    
700 >    if (globals->haveTempSet())
701 >      info[i].setTemp = globals->getTempSet();
702  
703 <  have_extra =0;
967 <  if( temp2 < temp3 ){ // we have a non-complete lattice
968 <    have_extra =1;
703 >    // check for the extended State init
704  
705 <    n_cells = (int)temp3 - 1;
706 <    cellx = simnfo->box_x / temp3;
707 <    celly = simnfo->box_y / temp3;
708 <    cellz = simnfo->box_z / temp3;
709 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
710 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
711 <    n_per_extra = (int)ceil( temp1 );
705 >    info[i].useInitXSstate = globals->getUseInitXSstate();
706 >    info[i].orthoTolerance = globals->getOrthoBoxTolerance();
707 >    
708 >  }
709 >  
710 >  //setup seed for random number generator
711 >  int seedValue;
712  
713 <    if( n_per_extra > 4){
714 <      sprintf( painCave.errMsg,
715 <               "SimSetup error. There has been an error in constructing"
716 <               " the non-complete lattice.\n" );
717 <      painCave.isFatal = 1;
713 >  if (globals->haveSeed()){
714 >    seedValue = globals->getSeed();
715 >
716 >    if(seedValue / 1E9 == 0){
717 >      sprintf(painCave.errMsg,
718 >              "Seed for sprng library should contain at least 9 digits\n"
719 >              "OOPSE will generate a seed for user\n");
720 >      painCave.isFatal = 0;
721        simError();
722 <    }
723 <  }
722 >
723 >      //using seed generated by system instead of invalid seed set by user
724 > #ifndef IS_MPI
725 >      seedValue = make_sprng_seed();
726 > #else
727 >      if (worldRank == 0){
728 >        seedValue = make_sprng_seed();
729 >      }
730 >      MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
731 > #endif      
732 >    }
733 >  }//end of if branch of globals->haveSeed()
734    else{
735 <    n_cells = (int)temp3;
736 <    cellx = simnfo->box_x / temp3;
737 <    celly = simnfo->box_y / temp3;
738 <    cellz = simnfo->box_z / temp3;
735 >    
736 > #ifndef IS_MPI
737 >    seedValue = make_sprng_seed();
738 > #else
739 >    if (worldRank == 0){
740 >      seedValue = make_sprng_seed();
741 >    }
742 >    MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
743 > #endif
744 >  }//end of globals->haveSeed()
745 >
746 >  for (int i = 0; i < nInfo; i++){
747 >    info[i].setSeed(seedValue);
748    }
749  
750 <  current_mol = 0;
751 <  current_comp_mol = 0;
752 <  current_comp = 0;
753 <  current_atom_ndx = 0;
750 > #ifdef IS_MPI
751 >  strcpy(checkPointMsg, "Succesfully gathered all information from Bass\n");
752 >  MPIcheckPoint();
753 > #endif // is_mpi
754 > }
755  
998  for( i=0; i < n_cells ; i++ ){
999    for( j=0; j < n_cells; j++ ){
1000      for( k=0; k < n_cells; k++ ){
756  
757 <        makeElement( i * cellx,
758 <                     j * celly,
759 <                     k * cellz );
757 > void SimSetup::finalInfoCheck(void){
758 >  int index;
759 >  int usesDipoles;
760 >  int i;
761  
762 <        makeElement( i * cellx + 0.5 * cellx,
763 <                     j * celly + 0.5 * celly,
1008 <                     k * cellz );
762 >  for (i = 0; i < nInfo; i++){
763 >    // check electrostatic parameters
764  
765 <        makeElement( i * cellx,
766 <                     j * celly + 0.5 * celly,
767 <                     k * cellz + 0.5 * cellz );
765 >    index = 0;
766 >    usesDipoles = 0;
767 >    while ((index < info[i].n_atoms) && !usesDipoles){
768 >      usesDipoles = (info[i].atoms[index])->hasDipole();
769 >      index++;
770 >    }
771  
772 <        makeElement( i * cellx + 0.5 * cellx,
773 <                     j * celly,
774 <                     k * cellz + 0.5 * cellz );
772 > #ifdef IS_MPI
773 >    int myUse = usesDipoles;
774 >    MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
775 > #endif //is_mpi
776 >
777 >    double theEcr, theEst;
778 >
779 >    if (globals->getUseRF()){
780 >      info[i].useReactionField = 1;
781 >
782 >      if (!globals->haveECR()){
783 >        sprintf(painCave.errMsg,
784 >                "SimSetup Warning: using default value of 15.0 angstroms"
785 >                "box length for the electrostaticCutoffRadius.\n");
786 >        painCave.isFatal = 0;
787 >        simError();
788 >        theEcr = 15.0;
789        }
790 +      else{
791 +        theEcr = globals->getECR();
792 +      }
793 +
794 +      if (!globals->haveEST()){
795 +        sprintf(painCave.errMsg,
796 +                "SimSetup Warning: using default value of 0.05 * the "
797 +                "electrostaticCutoffRadius for the electrostaticSkinThickness\n");
798 +        painCave.isFatal = 0;
799 +        simError();
800 +        theEst = 0.05 * theEcr;
801 +      }
802 +      else{
803 +        theEst = globals->getEST();
804 +      }
805 +
806 +      info[i].setDefaultEcr(theEcr, theEst);
807 +
808 +      if (!globals->haveDielectric()){
809 +        sprintf(painCave.errMsg,
810 +                "SimSetup Error: You are trying to use Reaction Field without"
811 +                "setting a dielectric constant!\n");
812 +        painCave.isFatal = 1;
813 +        simError();
814 +      }
815 +      info[i].dielectric = globals->getDielectric();
816      }
817 +    else{
818 +      if (usesDipoles){
819 +        if (!globals->haveECR()){
820 +          sprintf(painCave.errMsg,
821 +                  "SimSetup Warning: using default value of 15.0 angstroms"
822 +                  "box length for the electrostaticCutoffRadius.\n");
823 +          painCave.isFatal = 0;
824 +          simError();
825 +          theEcr = 15.0;
826 +        }
827 +        else{
828 +          theEcr = globals->getECR();
829 +        }
830 +        
831 +        if (!globals->haveEST()){
832 +          sprintf(painCave.errMsg,
833 +                  "SimSetup Warning: using default value of 0.05 * the "
834 +                  "electrostaticCutoffRadius for the "
835 +                  "electrostaticSkinThickness\n");
836 +          painCave.isFatal = 0;
837 +          simError();
838 +          theEst = 0.05 * theEcr;
839 +        }
840 +        else{
841 +          theEst = globals->getEST();
842 +        }
843 +        
844 +        info[i].setDefaultEcr(theEcr, theEst);
845 +      }
846 +    }
847    }
848 + #ifdef IS_MPI
849 +  strcpy(checkPointMsg, "post processing checks out");
850 +  MPIcheckPoint();
851 + #endif // is_mpi
852 + }
853 +  
854 + void SimSetup::initSystemCoords(void){
855 +  int i;
856  
857 <  if( have_extra ){
1022 <    done = 0;
857 >  char* inName;
858  
859 <    int start_ndx;
1025 <    for( i=0; i < (n_cells+1) && !done; i++ ){
1026 <      for( j=0; j < (n_cells+1) && !done; j++ ){
859 >  (info[0].getConfiguration())->createArrays(info[0].n_atoms);
860  
861 <        if( i < n_cells ){
861 >  for (i = 0; i < info[0].n_atoms; i++)
862 >    info[0].atoms[i]->setCoords();
863  
864 <          if( j < n_cells ){
865 <            start_ndx = n_cells;
866 <          }
867 <          else start_ndx = 0;
868 <        }
869 <        else start_ndx = 0;
864 >  if (globals->haveInitialConfig()){
865 >    InitializeFromFile* fileInit;
866 > #ifdef IS_MPI // is_mpi
867 >    if (worldRank == 0){
868 > #endif //is_mpi
869 >      inName = globals->getInitialConfig();
870 >      fileInit = new InitializeFromFile(inName);
871 > #ifdef IS_MPI
872 >    }
873 >    else
874 >      fileInit = new InitializeFromFile(NULL);
875 > #endif
876 >    fileInit->readInit(info); // default velocities on
877  
878 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
878 >    delete fileInit;
879 >  }
880 >  else{
881 >    
882 >    // no init from bass
883 >    
884 >    sprintf(painCave.errMsg,
885 >            "Cannot intialize a simulation without an initial configuration file.\n");
886 >    painCave.isFatal = 1;;
887 >    simError();
888 >    
889 >  }
890  
891 <          makeElement( i * cellx,
892 <                       j * celly,
893 <                       k * cellz );
894 <          done = ( current_mol >= tot_nmol );
891 > #ifdef IS_MPI
892 >  strcpy(checkPointMsg, "Successfully read in the initial configuration");
893 >  MPIcheckPoint();
894 > #endif // is_mpi
895 > }
896  
1044          if( !done && n_per_extra > 1 ){
1045            makeElement( i * cellx + 0.5 * cellx,
1046                         j * celly + 0.5 * celly,
1047                         k * cellz );
1048            done = ( current_mol >= tot_nmol );
1049          }
897  
898 <          if( !done && n_per_extra > 2){
899 <            makeElement( i * cellx,
1053 <                         j * celly + 0.5 * celly,
1054 <                         k * cellz + 0.5 * cellz );
1055 <            done = ( current_mol >= tot_nmol );
1056 <          }
898 > void SimSetup::makeOutNames(void){
899 >  int k;
900  
901 <          if( !done && n_per_extra > 3){
902 <            makeElement( i * cellx + 0.5 * cellx,
903 <                         j * celly,
904 <                         k * cellz + 0.5 * cellz );
905 <            done = ( current_mol >= tot_nmol );
906 <          }
907 <        }
901 >
902 >  for (k = 0; k < nInfo; k++){
903 > #ifdef IS_MPI
904 >    if (worldRank == 0){
905 > #endif // is_mpi
906 >
907 >      if (globals->haveFinalConfig()){
908 >        strcpy(info[k].finalName, globals->getFinalConfig());
909        }
910 <    }
911 <  }
910 >      else{
911 >        strcpy(info[k].finalName, inFileName);
912 >        char* endTest;
913 >        int nameLength = strlen(info[k].finalName);
914 >        endTest = &(info[k].finalName[nameLength - 5]);
915 >        if (!strcmp(endTest, ".bass")){
916 >          strcpy(endTest, ".eor");
917 >        }
918 >        else if (!strcmp(endTest, ".BASS")){
919 >          strcpy(endTest, ".eor");
920 >        }
921 >        else{
922 >          endTest = &(info[k].finalName[nameLength - 4]);
923 >          if (!strcmp(endTest, ".bss")){
924 >            strcpy(endTest, ".eor");
925 >          }
926 >          else if (!strcmp(endTest, ".mdl")){
927 >            strcpy(endTest, ".eor");
928 >          }
929 >          else{
930 >            strcat(info[k].finalName, ".eor");
931 >          }
932 >        }
933 >      }
934  
935 +      // make the sample and status out names
936  
937 <  for( i=0; i<simnfo->n_atoms; i++ ){
938 <    simnfo->atoms[i]->set_vx( 0.0 );
939 <    simnfo->atoms[i]->set_vy( 0.0 );
940 <    simnfo->atoms[i]->set_vz( 0.0 );
937 >      strcpy(info[k].sampleName, inFileName);
938 >      char* endTest;
939 >      int nameLength = strlen(info[k].sampleName);
940 >      endTest = &(info[k].sampleName[nameLength - 5]);
941 >      if (!strcmp(endTest, ".bass")){
942 >        strcpy(endTest, ".dump");
943 >      }
944 >      else if (!strcmp(endTest, ".BASS")){
945 >        strcpy(endTest, ".dump");
946 >      }
947 >      else{
948 >        endTest = &(info[k].sampleName[nameLength - 4]);
949 >        if (!strcmp(endTest, ".bss")){
950 >          strcpy(endTest, ".dump");
951 >        }
952 >        else if (!strcmp(endTest, ".mdl")){
953 >          strcpy(endTest, ".dump");
954 >        }
955 >        else{
956 >          strcat(info[k].sampleName, ".dump");
957 >        }
958 >      }
959 >
960 >      strcpy(info[k].statusName, inFileName);
961 >      nameLength = strlen(info[k].statusName);
962 >      endTest = &(info[k].statusName[nameLength - 5]);
963 >      if (!strcmp(endTest, ".bass")){
964 >        strcpy(endTest, ".stat");
965 >      }
966 >      else if (!strcmp(endTest, ".BASS")){
967 >        strcpy(endTest, ".stat");
968 >      }
969 >      else{
970 >        endTest = &(info[k].statusName[nameLength - 4]);
971 >        if (!strcmp(endTest, ".bss")){
972 >          strcpy(endTest, ".stat");
973 >        }
974 >        else if (!strcmp(endTest, ".mdl")){
975 >          strcpy(endTest, ".stat");
976 >        }
977 >        else{
978 >          strcat(info[k].statusName, ".stat");
979 >        }
980 >      }
981 >
982 > #ifdef IS_MPI
983 >
984 >    }
985 > #endif // is_mpi
986    }
987   }
988  
1077 void SimSetup::makeElement( double x, double y, double z ){
989  
990 <  int k;
991 <  AtomStamp* current_atom;
1081 <  DirectionalAtom* dAtom;
1082 <  double rotMat[3][3];
990 > void SimSetup::sysObjectsCreation(void){
991 >  int i, k;
992  
993 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
993 >  // create the forceField
994  
995 <    current_atom = comp_stamps[current_comp]->getAtom( k );
996 <    if( !current_atom->havePosition() ){
997 <      sprintf( painCave.errMsg,
998 <               "SimSetup:initFromBass error.\n"
999 <               "\tComponent %s, atom %s does not have a position specified.\n"
1000 <               "\tThe initialization routine is unable to give a start"
1001 <               " position.\n",
1002 <               comp_stamps[current_comp]->getID(),
1003 <               current_atom->getType() );
995 >  createFF();
996 >
997 >  // extract componentList
998 >
999 >  compList();
1000 >
1001 >  // calc the number of atoms, bond, bends, and torsions
1002 >
1003 >  calcSysValues();
1004 >
1005 > #ifdef IS_MPI
1006 >  // divide the molecules among the processors
1007 >
1008 >  mpiMolDivide();
1009 > #endif //is_mpi
1010 >
1011 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1012 >
1013 >  makeSysArrays();
1014 >
1015 >  // make and initialize the molecules (all but atomic coordinates)
1016 >
1017 >  makeMolecules();
1018 >
1019 >  for (k = 0; k < nInfo; k++){
1020 >    info[k].identArray = new int[info[k].n_atoms];
1021 >    for (i = 0; i < info[k].n_atoms; i++){
1022 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1023 >    }
1024 >  }
1025 > }
1026 >
1027 >
1028 > void SimSetup::createFF(void){
1029 >  switch (ffCase){
1030 >    case FF_DUFF:
1031 >      the_ff = new DUFF();
1032 >      break;
1033 >
1034 >    case FF_LJ:
1035 >      the_ff = new LJFF();
1036 >      break;
1037 >
1038 >    case FF_EAM:
1039 >      the_ff = new EAM_FF();
1040 >      break;
1041 >
1042 >    default:
1043 >      sprintf(painCave.errMsg,
1044 >              "SimSetup Error. Unrecognized force field in case statement.\n");
1045        painCave.isFatal = 1;
1046        simError();
1047 +  }
1048 +
1049 + #ifdef IS_MPI
1050 +  strcpy(checkPointMsg, "ForceField creation successful");
1051 +  MPIcheckPoint();
1052 + #endif // is_mpi
1053 + }
1054 +
1055 +
1056 + void SimSetup::compList(void){
1057 +  int i;
1058 +  char* id;
1059 +  LinkedMolStamp* headStamp = new LinkedMolStamp();
1060 +  LinkedMolStamp* currentStamp = NULL;
1061 +  comp_stamps = new MoleculeStamp * [n_components];
1062 +
1063 +  // make an array of molecule stamps that match the components used.
1064 +  // also extract the used stamps out into a separate linked list
1065 +
1066 +  for (i = 0; i < nInfo; i++){
1067 +    info[i].nComponents = n_components;
1068 +    info[i].componentsNmol = components_nmol;
1069 +    info[i].compStamps = comp_stamps;
1070 +    info[i].headStamp = headStamp;
1071 +  }
1072 +
1073 +
1074 +  for (i = 0; i < n_components; i++){
1075 +    id = the_components[i]->getType();
1076 +    comp_stamps[i] = NULL;
1077 +
1078 +    // check to make sure the component isn't already in the list
1079 +
1080 +    comp_stamps[i] = headStamp->match(id);
1081 +    if (comp_stamps[i] == NULL){
1082 +      // extract the component from the list;
1083 +
1084 +      currentStamp = stamps->extractMolStamp(id);
1085 +      if (currentStamp == NULL){
1086 +        sprintf(painCave.errMsg,
1087 +                "SimSetup error: Component \"%s\" was not found in the "
1088 +                "list of declared molecules\n",
1089 +                id);
1090 +        painCave.isFatal = 1;
1091 +        simError();
1092 +      }
1093 +
1094 +      headStamp->add(currentStamp);
1095 +      comp_stamps[i] = headStamp->match(id);
1096      }
1097 +  }
1098  
1099 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1100 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1101 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1099 > #ifdef IS_MPI
1100 >  strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1101 >  MPIcheckPoint();
1102 > #endif // is_mpi
1103 > }
1104  
1105 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
1105 > void SimSetup::calcSysValues(void){
1106 >  int i;
1107  
1108 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1108 >  int* molMembershipArray;
1109  
1110 <      rotMat[0][0] = 1.0;
1111 <      rotMat[0][1] = 0.0;
1112 <      rotMat[0][2] = 0.0;
1110 >  tot_atoms = 0;
1111 >  tot_bonds = 0;
1112 >  tot_bends = 0;
1113 >  tot_torsions = 0;
1114 >  for (i = 0; i < n_components; i++){
1115 >    tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1116 >    tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1117 >    tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1118 >    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1119 >  }
1120  
1121 <      rotMat[1][0] = 0.0;
1122 <      rotMat[1][1] = 1.0;
1113 <      rotMat[1][2] = 0.0;
1121 >  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1122 >  molMembershipArray = new int[tot_atoms];
1123  
1124 <      rotMat[2][0] = 0.0;
1125 <      rotMat[2][1] = 0.0;
1126 <      rotMat[2][2] = 1.0;
1124 >  for (i = 0; i < nInfo; i++){
1125 >    info[i].n_atoms = tot_atoms;
1126 >    info[i].n_bonds = tot_bonds;
1127 >    info[i].n_bends = tot_bends;
1128 >    info[i].n_torsions = tot_torsions;
1129 >    info[i].n_SRI = tot_SRI;
1130 >    info[i].n_mol = tot_nmol;
1131  
1132 <      dAtom->setA( rotMat );
1132 >    info[i].molMembershipArray = molMembershipArray;
1133 >  }
1134 > }
1135 >
1136 > #ifdef IS_MPI
1137 >
1138 > void SimSetup::mpiMolDivide(void){
1139 >  int i, j, k;
1140 >  int localMol, allMol;
1141 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1142 >
1143 >  mpiSim = new mpiSimulation(info);
1144 >
1145 >  globalIndex = mpiSim->divideLabor();
1146 >
1147 >  // set up the local variables
1148 >
1149 >  mol2proc = mpiSim->getMolToProcMap();
1150 >  molCompType = mpiSim->getMolComponentType();
1151 >
1152 >  allMol = 0;
1153 >  localMol = 0;
1154 >  local_atoms = 0;
1155 >  local_bonds = 0;
1156 >  local_bends = 0;
1157 >  local_torsions = 0;
1158 >  globalAtomIndex = 0;
1159 >
1160 >
1161 >  for (i = 0; i < n_components; i++){
1162 >    for (j = 0; j < components_nmol[i]; j++){
1163 >      if (mol2proc[allMol] == worldRank){
1164 >        local_atoms += comp_stamps[i]->getNAtoms();
1165 >        local_bonds += comp_stamps[i]->getNBonds();
1166 >        local_bends += comp_stamps[i]->getNBends();
1167 >        local_torsions += comp_stamps[i]->getNTorsions();
1168 >        localMol++;
1169 >      }      
1170 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1171 >        info[0].molMembershipArray[globalAtomIndex] = allMol;
1172 >        globalAtomIndex++;
1173 >      }
1174 >
1175 >      allMol++;
1176      }
1177 +  }
1178 +  local_SRI = local_bonds + local_bends + local_torsions;
1179  
1180 <    current_atom_ndx++;
1180 >  info[0].n_atoms = mpiSim->getMyNlocal();  
1181 >
1182 >  if (local_atoms != info[0].n_atoms){
1183 >    sprintf(painCave.errMsg,
1184 >            "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
1185 >            " localAtom (%d) are not equal.\n",
1186 >            info[0].n_atoms, local_atoms);
1187 >    painCave.isFatal = 1;
1188 >    simError();
1189    }
1190  
1191 <  current_mol++;
1192 <  current_comp_mol++;
1191 >  info[0].n_bonds = local_bonds;
1192 >  info[0].n_bends = local_bends;
1193 >  info[0].n_torsions = local_torsions;
1194 >  info[0].n_SRI = local_SRI;
1195 >  info[0].n_mol = localMol;
1196  
1197 <  if( current_comp_mol >= components_nmol[current_comp] ){
1197 >  strcpy(checkPointMsg, "Passed nlocal consistency check.");
1198 >  MPIcheckPoint();
1199 > }
1200  
1201 <    current_comp_mol = 0;
1202 <    current_comp++;
1201 > #endif // is_mpi
1202 >
1203 >
1204 > void SimSetup::makeSysArrays(void){
1205 >
1206 > #ifndef IS_MPI
1207 >  int k, j;
1208 > #endif // is_mpi
1209 >  int i, l;
1210 >
1211 >  Atom** the_atoms;
1212 >  Molecule* the_molecules;
1213 >  Exclude** the_excludes;
1214 >
1215 >
1216 >  for (l = 0; l < nInfo; l++){
1217 >    // create the atom and short range interaction arrays
1218 >
1219 >    the_atoms = new Atom * [info[l].n_atoms];
1220 >    the_molecules = new Molecule[info[l].n_mol];
1221 >    int molIndex;
1222 >
1223 >    // initialize the molecule's stampID's
1224 >
1225 > #ifdef IS_MPI
1226 >
1227 >
1228 >    molIndex = 0;
1229 >    for (i = 0; i < mpiSim->getTotNmol(); i++){
1230 >      if (mol2proc[i] == worldRank){
1231 >        the_molecules[molIndex].setStampID(molCompType[i]);
1232 >        the_molecules[molIndex].setMyIndex(molIndex);
1233 >        the_molecules[molIndex].setGlobalIndex(i);
1234 >        molIndex++;
1235 >      }
1236 >    }
1237 >
1238 > #else // is_mpi
1239 >
1240 >    molIndex = 0;
1241 >    globalAtomIndex = 0;
1242 >    for (i = 0; i < n_components; i++){
1243 >      for (j = 0; j < components_nmol[i]; j++){
1244 >        the_molecules[molIndex].setStampID(i);
1245 >        the_molecules[molIndex].setMyIndex(molIndex);
1246 >        the_molecules[molIndex].setGlobalIndex(molIndex);
1247 >        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1248 >          info[l].molMembershipArray[globalAtomIndex] = molIndex;
1249 >          globalAtomIndex++;
1250 >        }
1251 >        molIndex++;
1252 >      }
1253 >    }
1254 >
1255 >
1256 > #endif // is_mpi
1257 >
1258 >
1259 >    if (info[l].n_SRI){
1260 >      Exclude::createArray(info[l].n_SRI);
1261 >      the_excludes = new Exclude * [info[l].n_SRI];
1262 >      for (int ex = 0; ex < info[l].n_SRI; ex++){
1263 >        the_excludes[ex] = new Exclude(ex);
1264 >      }
1265 >      info[l].globalExcludes = new int;
1266 >      info[l].n_exclude = info[l].n_SRI;
1267 >    }
1268 >    else{
1269 >      Exclude::createArray(1);
1270 >      the_excludes = new Exclude * ;
1271 >      the_excludes[0] = new Exclude(0);
1272 >      the_excludes[0]->setPair(0, 0);
1273 >      info[l].globalExcludes = new int;
1274 >      info[l].globalExcludes[0] = 0;
1275 >      info[l].n_exclude = 0;
1276 >    }
1277 >
1278 >    // set the arrays into the SimInfo object
1279 >
1280 >    info[l].atoms = the_atoms;
1281 >    info[l].molecules = the_molecules;
1282 >    info[l].nGlobalExcludes = 0;
1283 >    info[l].excludes = the_excludes;
1284 >
1285 >    the_ff->setSimInfo(info);
1286 >  }
1287 > }
1288 >
1289 > void SimSetup::makeIntegrator(void){
1290 >  int k;
1291 >
1292 >  NVE<RealIntegrator>* myNVE = NULL;
1293 >  NVT<RealIntegrator>* myNVT = NULL;
1294 >  NPTi<NPT<RealIntegrator> >* myNPTi = NULL;
1295 >  NPTf<NPT<RealIntegrator> >* myNPTf = NULL;
1296 >  NPTxyz<NPT<RealIntegrator> >* myNPTxyz = NULL;
1297 >  
1298 >  for (k = 0; k < nInfo; k++){
1299 >    switch (ensembleCase){
1300 >      case NVE_ENS:
1301 >        if (globals->haveZconstraints()){
1302 >          setupZConstraint(info[k]);
1303 >          myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1304 >        }
1305 >        else{
1306 >          myNVE = new NVE<RealIntegrator>(&(info[k]), the_ff);
1307 >        }
1308 >        
1309 >        info->the_integrator = myNVE;
1310 >        break;
1311 >
1312 >      case NVT_ENS:
1313 >        if (globals->haveZconstraints()){
1314 >          setupZConstraint(info[k]);
1315 >          myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1316 >        }
1317 >        else
1318 >          myNVT = new NVT<RealIntegrator>(&(info[k]), the_ff);
1319 >
1320 >        myNVT->setTargetTemp(globals->getTargetTemp());
1321 >
1322 >        if (globals->haveTauThermostat())
1323 >          myNVT->setTauThermostat(globals->getTauThermostat());
1324 >        else{
1325 >          sprintf(painCave.errMsg,
1326 >                  "SimSetup error: If you use the NVT\n"
1327 >                  "    ensemble, you must set tauThermostat.\n");
1328 >          painCave.isFatal = 1;
1329 >          simError();
1330 >        }
1331 >
1332 >        info->the_integrator = myNVT;
1333 >        break;
1334 >
1335 >      case NPTi_ENS:
1336 >        if (globals->haveZconstraints()){
1337 >          setupZConstraint(info[k]);
1338 >          myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1339 >        }
1340 >        else
1341 >          myNPTi = new NPTi<NPT<RealIntegrator> >(&(info[k]), the_ff);
1342 >
1343 >        myNPTi->setTargetTemp(globals->getTargetTemp());
1344 >
1345 >        if (globals->haveTargetPressure())
1346 >          myNPTi->setTargetPressure(globals->getTargetPressure());
1347 >        else{
1348 >          sprintf(painCave.errMsg,
1349 >                  "SimSetup error: If you use a constant pressure\n"
1350 >                  "    ensemble, you must set targetPressure in the BASS file.\n");
1351 >          painCave.isFatal = 1;
1352 >          simError();
1353 >        }
1354 >
1355 >        if (globals->haveTauThermostat())
1356 >          myNPTi->setTauThermostat(globals->getTauThermostat());
1357 >        else{
1358 >          sprintf(painCave.errMsg,
1359 >                  "SimSetup error: If you use an NPT\n"
1360 >                  "    ensemble, you must set tauThermostat.\n");
1361 >          painCave.isFatal = 1;
1362 >          simError();
1363 >        }
1364 >
1365 >        if (globals->haveTauBarostat())
1366 >          myNPTi->setTauBarostat(globals->getTauBarostat());
1367 >        else{
1368 >          sprintf(painCave.errMsg,
1369 >                  "SimSetup error: If you use an NPT\n"
1370 >                  "    ensemble, you must set tauBarostat.\n");
1371 >          painCave.isFatal = 1;
1372 >          simError();
1373 >        }
1374 >
1375 >        info->the_integrator = myNPTi;
1376 >        break;
1377 >
1378 >      case NPTf_ENS:
1379 >        if (globals->haveZconstraints()){
1380 >          setupZConstraint(info[k]);
1381 >          myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1382 >        }
1383 >        else
1384 >          myNPTf = new NPTf<NPT <RealIntegrator> >(&(info[k]), the_ff);
1385 >
1386 >        myNPTf->setTargetTemp(globals->getTargetTemp());
1387 >
1388 >        if (globals->haveTargetPressure())
1389 >          myNPTf->setTargetPressure(globals->getTargetPressure());
1390 >        else{
1391 >          sprintf(painCave.errMsg,
1392 >                  "SimSetup error: If you use a constant pressure\n"
1393 >                  "    ensemble, you must set targetPressure in the BASS file.\n");
1394 >          painCave.isFatal = 1;
1395 >          simError();
1396 >        }    
1397 >
1398 >        if (globals->haveTauThermostat())
1399 >          myNPTf->setTauThermostat(globals->getTauThermostat());
1400 >
1401 >        else{
1402 >          sprintf(painCave.errMsg,
1403 >                  "SimSetup error: If you use an NPT\n"
1404 >                  "    ensemble, you must set tauThermostat.\n");
1405 >          painCave.isFatal = 1;
1406 >          simError();
1407 >        }
1408 >
1409 >        if (globals->haveTauBarostat())
1410 >          myNPTf->setTauBarostat(globals->getTauBarostat());
1411 >
1412 >        else{
1413 >          sprintf(painCave.errMsg,
1414 >                  "SimSetup error: If you use an NPT\n"
1415 >                  "    ensemble, you must set tauBarostat.\n");
1416 >          painCave.isFatal = 1;
1417 >          simError();
1418 >        }
1419 >
1420 >        info->the_integrator = myNPTf;
1421 >        break;
1422 >
1423 >      case NPTxyz_ENS:
1424 >        if (globals->haveZconstraints()){
1425 >          setupZConstraint(info[k]);
1426 >          myNPTxyz = new ZConstraint<NPTxyz<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1427 >        }
1428 >        else
1429 >          myNPTxyz = new NPTxyz<NPT <RealIntegrator> >(&(info[k]), the_ff);
1430 >
1431 >        myNPTxyz->setTargetTemp(globals->getTargetTemp());
1432 >
1433 >        if (globals->haveTargetPressure())
1434 >          myNPTxyz->setTargetPressure(globals->getTargetPressure());
1435 >        else{
1436 >          sprintf(painCave.errMsg,
1437 >                  "SimSetup error: If you use a constant pressure\n"
1438 >                  "    ensemble, you must set targetPressure in the BASS file.\n");
1439 >          painCave.isFatal = 1;
1440 >          simError();
1441 >        }    
1442 >
1443 >        if (globals->haveTauThermostat())
1444 >          myNPTxyz->setTauThermostat(globals->getTauThermostat());
1445 >        else{
1446 >          sprintf(painCave.errMsg,
1447 >                  "SimSetup error: If you use an NPT\n"
1448 >                  "    ensemble, you must set tauThermostat.\n");
1449 >          painCave.isFatal = 1;
1450 >          simError();
1451 >        }
1452 >
1453 >        if (globals->haveTauBarostat())
1454 >          myNPTxyz->setTauBarostat(globals->getTauBarostat());
1455 >        else{
1456 >          sprintf(painCave.errMsg,
1457 >                  "SimSetup error: If you use an NPT\n"
1458 >                  "    ensemble, you must set tauBarostat.\n");
1459 >          painCave.isFatal = 1;
1460 >          simError();
1461 >        }
1462 >
1463 >        info->the_integrator = myNPTxyz;
1464 >        break;
1465 >
1466 >      default:
1467 >        sprintf(painCave.errMsg,
1468 >                "SimSetup Error. Unrecognized ensemble in case statement.\n");
1469 >        painCave.isFatal = 1;
1470 >        simError();
1471 >    }
1472    }
1473   }
1474 +
1475 + void SimSetup::initFortran(void){
1476 +  info[0].refreshSim();
1477 +
1478 +  if (!strcmp(info[0].mixingRule, "standard")){
1479 +    the_ff->initForceField(LB_MIXING_RULE);
1480 +  }
1481 +  else if (!strcmp(info[0].mixingRule, "explicit")){
1482 +    the_ff->initForceField(EXPLICIT_MIXING_RULE);
1483 +  }
1484 +  else{
1485 +    sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1486 +            info[0].mixingRule);
1487 +    painCave.isFatal = 1;
1488 +    simError();
1489 +  }
1490 +
1491 +
1492 + #ifdef IS_MPI
1493 +  strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1494 +  MPIcheckPoint();
1495 + #endif // is_mpi
1496 + }
1497 +
1498 + void SimSetup::setupZConstraint(SimInfo& theInfo){
1499 +  int nZConstraints;
1500 +  ZconStamp** zconStamp;
1501 +
1502 +  if (globals->haveZconstraintTime()){
1503 +    //add sample time of z-constraint  into SimInfo's property list                    
1504 +    DoubleData* zconsTimeProp = new DoubleData();
1505 +    zconsTimeProp->setID(ZCONSTIME_ID);
1506 +    zconsTimeProp->setData(globals->getZconsTime());
1507 +    theInfo.addProperty(zconsTimeProp);
1508 +  }
1509 +  else{
1510 +    sprintf(painCave.errMsg,
1511 +            "ZConstraint error: If you use an ZConstraint\n"
1512 +            " , you must set sample time.\n");
1513 +    painCave.isFatal = 1;
1514 +    simError();
1515 +  }
1516 +
1517 +  //push zconsTol into siminfo, if user does not specify
1518 +  //value for zconsTol, a default value will be used
1519 +  DoubleData* zconsTol = new DoubleData();
1520 +  zconsTol->setID(ZCONSTOL_ID);
1521 +  if (globals->haveZconsTol()){
1522 +    zconsTol->setData(globals->getZconsTol());
1523 +  }
1524 +  else{
1525 +    double defaultZConsTol = 0.01;
1526 +    sprintf(painCave.errMsg,
1527 +            "ZConstraint Waring: Tolerance for z-constraint methodl is not specified\n"
1528 +            " , default value %f is used.\n",
1529 +            defaultZConsTol);
1530 +    painCave.isFatal = 0;
1531 +    simError();      
1532 +
1533 +    zconsTol->setData(defaultZConsTol);
1534 +  }
1535 +  theInfo.addProperty(zconsTol);
1536 +
1537 +  //set Force Subtraction Policy
1538 +  StringData* zconsForcePolicy = new StringData();
1539 +  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1540 +
1541 +  if (globals->haveZconsForcePolicy()){
1542 +    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1543 +  }
1544 +  else{
1545 +    sprintf(painCave.errMsg,
1546 +            "ZConstraint Warning: User does not set force Subtraction policy, "
1547 +            "PolicyByMass is used\n");
1548 +    painCave.isFatal = 0;
1549 +    simError();
1550 +    zconsForcePolicy->setData("BYMASS");
1551 +  }
1552 +
1553 +  theInfo.addProperty(zconsForcePolicy);
1554 +
1555 +  //Determine the name of ouput file and add it into SimInfo's property list
1556 +  //Be careful, do not use inFileName, since it is a pointer which
1557 +  //point to a string at master node, and slave nodes do not contain that string
1558 +
1559 +  string zconsOutput(theInfo.finalName);
1560 +
1561 +  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1562 +
1563 +  StringData* zconsFilename = new StringData();
1564 +  zconsFilename->setID(ZCONSFILENAME_ID);
1565 +  zconsFilename->setData(zconsOutput);
1566 +
1567 +  theInfo.addProperty(zconsFilename);
1568 +
1569 +  //setup index, pos and other parameters of z-constraint molecules
1570 +  nZConstraints = globals->getNzConstraints();
1571 +  theInfo.nZconstraints = nZConstraints;
1572 +
1573 +  zconStamp = globals->getZconStamp();
1574 +  ZConsParaItem tempParaItem;
1575 +
1576 +  ZConsParaData* zconsParaData = new ZConsParaData();
1577 +  zconsParaData->setID(ZCONSPARADATA_ID);
1578 +
1579 +  for (int i = 0; i < nZConstraints; i++){
1580 +    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1581 +    tempParaItem.zPos = zconStamp[i]->getZpos();
1582 +    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1583 +    tempParaItem.kRatio = zconStamp[i]->getKratio();
1584 +
1585 +    zconsParaData->addItem(tempParaItem);
1586 +  }
1587 +
1588 +  //check the uniqueness of index  
1589 +  if(!zconsParaData->isIndexUnique()){
1590 +    sprintf(painCave.errMsg,
1591 +            "ZConstraint Error: molIndex is not unique\n");
1592 +    painCave.isFatal = 1;
1593 +    simError();
1594 +  }
1595 +
1596 +  //sort the parameters by index of molecules
1597 +  zconsParaData->sortByIndex();
1598 +  
1599 +  //push data into siminfo, therefore, we can retrieve later
1600 +  theInfo.addProperty(zconsParaData);
1601 + }

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